IBM 1401 Simulator Configuration - parsa/simh GitHub Wiki

The IBM 1401 was introduced in 1960 as an I/O pre- and post-processor for its 36-bit mainframes. In addition, it was the first widely used small business computer.

Photographs (courtesy of Paul Pierce):

Option Description Capacity
CPU and memory IBM 1401 4K - 16K characters
CPU special features advanced programming (indexing)
compare high-low-equal
branch on bit equal
modify address
move record
extended print edit
multiply/divide
Console 1407 inquiry terminal
Cards 1402 card reader punch
Line printer 1403 line printer
Disk 1311 disk pack 2M characters
Magnetic tape 7 track magnetic tape